Research Grant Council of the Hong Kong Special Administrative Region, China

71201010401466

University Grant Council (UGC) of the University of Hong Kong

Hong Kong UGC

SEG HKU09

National High-tech R&D Program of China (863 Program)

2011AA050523

Chinese Academy of Sciences

National Natural Science Foundation of China (NSFC)

5117318991023039

US Office of Naval Research

N00014-04-0434

Funding Information:

The project is supported in part by grants (nos. 712010 and 10401466) from the Research Grant Council of the Hong Kong Special Administrative Region, China, and the University Grant Council (UGC) of the University of Hong Kong. This project is also partially supported by a Hong Kong UGC Special Equipment Grant (SEG HKU09). J.H.H. and Y.F.L. acknowledge financial support by the National High-tech R&D Program of China (863 Program, no. 2011AA050523), the Chinese Academy of Sciences, and the National Natural Science Foundation of China (NSFC) (nos. 51173189 and 91023039). Y. Yang acknowledge financial support from the US Office of Naval Research (grant # N00014-04-0434).